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15400202150 = 252308004043
BaseRepresentation
bin11100101011110110…
…00110111110100110
31110202021012022211102
432111323012332212
5223014422432100
611024051440102
71053426362354
oct162573067646
943667168742
1015400202150
1165930158a3
122b995b6032
1315b572b668
14a6143c7d4
15602017cd5
hex395ec6fa6

15400202150 has 12 divisors (see below), whose sum is σ = 28644376092. Its totient is φ = 6160080840.

The previous prime is 15400202143. The next prime is 15400202159. The reversal of 15400202150 is 5120200451.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400202159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154001972 + ... + 154002071.

It is an arithmetic number, because the mean of its divisors is an integer number (2387031341).

Almost surely, 215400202150 is an apocalyptic number.

15400202150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15400202150 is a deficient number, since it is larger than the sum of its proper divisors (13244173942).

15400202150 is a wasteful number, since it uses less digits than its factorization.

15400202150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308004055 (or 308004050 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 15400202150 in words is "fifteen billion, four hundred million, two hundred two thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 308004043 616008086 1540020215 3080040430 7700101075 15400202150